Concept explainers
a.
Write a quadratic function for a given situation.
a.
Answer to Problem 41PPS
Explanation of Solution
Given information:
Given: A babysitting club is hired for
Calculation:
Here, we will make two equations one for the fees and other for the number of families.
Hence, the equation is
b.
Find the domain and range of the function.
b.
Answer to Problem 41PPS
Explanation of Solution
Given information:
Given: A babysitting club is hired for
Calculation:
Here, to find the domain and range of the function we will consider the following graph:
Now, from the above graph we can observe that
Hence, the domain and range will be
c.
Find the hourly rate that will maximize the club’s income.
c.
Answer to Problem 41PPS
Explanation of Solution
Given information:
Given: A babysitting club is hired for
Calculation:
Here, we have a quadratic function:
Now, we can see that this function is in the parabolic form:
Thus,
Hence,
d.
Find the maximum income the club can make.
d.
Answer to Problem 41PPS
Explanation of Solution
Given information:
Given: A babysitting club is hired for
Calculation:
Here, we have a quadratic function:
Now, we can see that this function is in the parabolic form:
Hence, the maximum expected income is
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Algebra 2
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